VOLUME 24, ISSUE 4, 2021 (DECEMBER)

Journal of Mechanical Engineering – Problemy Mashynobuduvannia

ISSN: 2709-2984 (Print), 2709-2992 (Online)

Volume 24, Issue 4, 2021 (December)

DOI: https://doi.org/10.15407/pmach2021.04

CONTENTS

*Subject Categories: Aerohydrodynamics and Heat-Mass Transfer*

Development of the Flow Part of Reactive Type HPC of K-325-23.5 Series Steam Turbine Based on the Use of Modern Computer Technologies Andrii V. Rusanov, Viktor H. Subotin, Viktor L. Shvetsov, Roman A. Rusanov, Serhii A. Palkov, Ihor A. Palkov, Maryna O. Chuhai	PDF 6–16

Modification of the Redlich-Kwong-Aungier Equation of State to Determine the Degree of Dryness in the CO₂ Two-phase Region Hanna S. Vorobieva	PDF 17–27

Retrospective Review of a Two-Phase Mechanically Pumped Loop for Spacecraft Thermal Control Systems Gennadiy O. Gorbenko, Pavlo H. Gakal, Rustem Yu. Turna, Artem M. Hodunov	PDF 27–37

Principal Modernization Solutions for a 300 MW Power Unit to be Converted to Operate at Ultra-Supercritical Steam Parameters Andrii O. Kostikov, Oleksandr L. Shubenko, Viktor H. Subotin, Oleksandr V. Senetskyi, Viktoriia O. Tarasova, Volodymyr M. Holoshchapov, Mykola Yu. Babak	PDF 38–49

*Subject Categories:* *Dynamics* *and* *Strength* of *Machines*

Vibrations of a Сylindrical Sandwich Shell with a Honeycomb Core Made Using FDM technology Borys V. Uspenskyi, Kostiantyn V. Avramov, Ihor I. Derevianko	PDF 49–60

Strength and Service Life of a Steam Turbine Stop and Control Valve Body Andrii S. Koliadiuk, Mykola H. Shulzhenko, Oleksandr M. Hubskyi	PDF 61–70

Experimental and Numerical Analysis of the Shear Properties of Honeycomb Cores Produced Using Additive Technologies Ihor I. Derevianko, Borys V. Uspenskyi, Kostiantyn V. Avramov, Oleksandr F. Salenko, Iryna V. Biblik	PDF 71–76

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